package account

import (
	"testing"
	"time"

	"galaxy/user/internal/domain/common"

	"github.com/stretchr/testify/require"
)

func TestUserAccountValidate(t *testing.T) {
	t.Parallel()

	createdAt := time.Unix(1_775_240_000, 0).UTC()
	updatedAt := createdAt.Add(2 * time.Hour)

	tests := []struct {
		name    string
		record  UserAccount
		wantErr bool
	}{
		{
			name: "valid without declared country or display name",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
			},
		},
		{
			name: "valid with declared country and display name",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				DisplayName:       common.DisplayName("PilotNova"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				DeclaredCountry:   common.CountryCode("DE"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
			},
		},
		{
			name: "missing user name",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
			},
			wantErr: true,
		},
		{
			name: "invalid display name",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				DisplayName:       common.DisplayName("Pilot Nova"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
			},
			wantErr: true,
		},
		{
			name: "updated before created",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         createdAt.Add(-time.Second),
			},
			wantErr: true,
		},
		{
			name: "valid soft-deleted after update",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
				DeletedAt:         timePtr(updatedAt),
			},
		},
		{
			name: "deleted at before created",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
				DeletedAt:         timePtr(createdAt.Add(-time.Second)),
			},
			wantErr: true,
		},
		{
			name: "deleted at zero",
			record: UserAccount{
				UserID:            common.UserID("user-123"),
				Email:             common.Email("pilot@example.com"),
				UserName:          common.UserName("player-abcdefgh"),
				PreferredLanguage: common.LanguageTag("en"),
				TimeZone:          common.TimeZoneName("Europe/Berlin"),
				CreatedAt:         createdAt,
				UpdatedAt:         updatedAt,
				DeletedAt:         timePtr(time.Time{}),
			},
			wantErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			err := tt.record.Validate()
			if tt.wantErr {
				require.Error(t, err)
				return
			}
			require.NoError(t, err)
		})
	}
}

func TestUserAccountIsDeleted(t *testing.T) {
	t.Parallel()

	createdAt := time.Unix(1_775_240_000, 0).UTC()
	record := UserAccount{
		UserID:            common.UserID("user-123"),
		Email:             common.Email("pilot@example.com"),
		UserName:          common.UserName("player-abcdefgh"),
		PreferredLanguage: common.LanguageTag("en"),
		TimeZone:          common.TimeZoneName("Europe/Berlin"),
		CreatedAt:         createdAt,
		UpdatedAt:         createdAt,
	}
	require.False(t, record.IsDeleted())

	deleted := record
	deletedAt := createdAt.Add(time.Minute)
	deleted.DeletedAt = &deletedAt
	require.True(t, deleted.IsDeleted())
}

func timePtr(value time.Time) *time.Time {
	return &value
}